chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/workflow.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup asdf
         uses: asdf-vm/actions/setup@v3